![]() There is another form of UVC light called UVC-FAR, which requires a much lower dose and is effective against COVID-19. This level of UVC is enough to get a sunburn in just a few seconds. Unfortunately, the highest dose of UVC is required to alter the virus. Studies on COVID-19 has shown it to alter the genetic make-up of the virus, not killing it but altering it enough so it will not replicate. It will destroy genetic material of a virus as well as your skin. Fortunately, it’s blocked by our Ozone layer. Or, once again, massive exposure and durations may be required. Initial studies have shown UVB to be ineffective against viruses. It can damage the DNA of cells and is mostly likely the cause of all skin cancers. The exposure duration is so long that it is not a viable form of disinfectant warranting more research. Exposure to high levels and for long durations may be effective on surfaces. Research on SARs, a relative of COVID-19, showed that exposure of the virus to 15 minutes of light had no impact on the virus. It can damage the cell DNA and can potentially lead to skin cancer. UVA is the majority of UV light that penetrates our atmosphere. Lets first go over what we know about the different forms of UV lights. UVC is the only form of UV light that will kill COVID-19. There are three forms of UV rays: UVA, UVB, and UVC. There have been many new UV lights on the market claiming to kill the COVID-19 virus or at least disinfecting surfaces. We all knew that UV causes cancer, and it takes a long time under high intensity before it would kill any microorganism. Before we turned on the UV, we would close the hood, which had a protective UV blocker to prevent the UV from escaping. The hood had a HEPA filter to keep out any bacteria.Īt the end of the day, we would turn on the UV light and leave it on overnight. We would work under a hood, and only your clean, covered hands could fit inside. It was imperative to keep the cell lines free of bacteria because even if one got into the solution, it would kill all the cells. My Experience Working with UV Lightsīack in the days I use to work in a cancer research facility, and we used UV light to disinfect the hoods for testing different lines of cancer cells. Can a UV light be used to disinfect your house? Should I buy one to disinfect my Scripps Ranch Dental office?
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